Home / 1,145,490.16-1,580,731.92-636,224.80

Finding the Fourth Proportional to 1,145,490.16, 1,580,731.92 and 636,224.80

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Solution

The fourth proportional to 1,145,490.16, 1,580,731.92 and 636,224.80 is: 877,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,490.16 : 1,580,731.92 = 636,224.80 : x
  2. Step 2: Convert to fraction form
    1,145,490.16/1,580,731.92 = 636,224.80/x
  3. Step 3: Cross multiply
    1,145,490.16x = 1,580,731.92 × 636,224.80
  4. Step 4: Simplify right side
    1,145,490.16x = 1,005,700,849,655.62
  5. Step 5: Solve for x
    x = 1,005,700,849,655.62/1,145,490.16
  6. Step 6: Final answer
    x = 877,965.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.